springboot集成开发实现商场秒杀

加入主要依赖

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- alibaba的druid数据库连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.5</version>
</dependency>
<!-- redis客服端-->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.38</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-amqp</artifactId>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>19.0</version>

秒杀项目主要目录构架

1.java目录

config 所有的配置信息

controller

exception 所有业务异常

mapper

service

rabbitmq

redis redis缓存

validator 后端校验

bean:数据传输层包括:mysql以及redis

util:工具包

dto:数据传输对象

秒杀系统逻辑

实现技术点

1.MD5

实现用户的密码为加密在保存到数据库之前

2.全局异常统一处理

通过拦截所有异常,对各种异常进行相应的处理

3.页面缓存

通过手动渲染的html页面缓存到redis中

WebContext ctx = new WebContext(request, response, request.getServletContext(), request.getLocale(), model.asMap());
html = thymeleafViewResolver.getTemplateEngine().process("goods_detail", ctx);

4.解决了超买

application.properties配置

#thymeleaf
spring.thymeleaf.cache=false
spring.thymeleaf.check-template=true
spring.thymeleaf.check-template-location=true
spring.thymeleaf.servlet.content-type=text/html
spring.thymeleaf.enabled=true
spring.thymeleaf.encoding=utf-8
spring.thymeleaf.mode=HTML5
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html # mybatis
mybatis.type-aliases-package=com.jesper.seckill.mapper
mybatis.configuration.map-underscore-to-camel-case=true
mybatis.configuration.default-fetch-size=100
mybatis.configuration.default-statement-timeout=3000
mybatis.mapperLocations = classpath:com/jesper/seckill/mapper/*.xml
# druid
spring.datasource.url=jdbc:mysql://localhost:3306/seckill?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.filters=stat
spring.datasource.maxActive=1000
spring.datasource.initialSize=100
spring.datasource.maxWait=60000
spring.datasource.minIdle=500
spring.datasource.timeBetweenEvictionRunsMillis=60000
spring.datasource.minEvictableIdleTimeMillis=300000
spring.datasource.validationQuery=select 'x'
spring.datasource.testWhileIdle=true
spring.datasource.testOnBorrow=false
spring.datasource.testOnReturn=false
spring.datasource.poolPreparedStatements=true
spring.datasource.maxOpenPreparedStatements=20
#redis
redis.host=127.0.0.1
redis.port=6379
redis.timeout=10
redis.poolMaxTotal=1000
redis.poolMaxIdle=500
redis.poolMaxWait=500
#static
spring.resources.add-mappings=true
spring.resources.cache.period= 3600
spring.resources.chain.cache=true
spring.resources.chain.enabled=true
spring.resources.chain.compressed=true
spring.resources.chain.html-application-cache=true
spring.resources.static-locations=classpath:/static/ #rabbitmq
spring.rabbitmq.host=127.0.0.1
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
spring.rabbitmq.virtual-host=/
spring.rabbitmq.listener.simple.concurrency= 10
spring.rabbitmq.listener.simple.max-concurrency= 10
spring.rabbitmq.listener.simple.prefetch= 1
spring.rabbitmq.listener.simple.auto-startup=true
spring.rabbitmq.listener.simple.default-requeue-rejected= true
spring.rabbitmq.template.retry.enabled=true
spring.rabbitmq.template.retry.initial-interval=1000
spring.rabbitmq.template.retry.max-attempts=3
spring.rabbitmq.template.retry.max-interval=10000
spring.rabbitmq.template.retry.multiplier=1.0

————————————————

本人免费整理了Java高级资料,涵盖了Java、Redis、MongoDB、MySQL、Zookeeper、Spring Cloud、Dubbo高并发分布式等教程,一共30G,需要自己领取。
传送门:https://mp.weixin.qq.com/s/osB-BOl6W-ZLTSttTkqMPQ

最新文章

  1. 在将 varchar 值 &#39;xinpian&#39; 转换成数据类型 int 时失败?
  2. Android混淆代码
  3. Android数据存储之SharedPreferences及如何安全存储
  4. 解决Windows10下80端口被PID为4的System占用的问题
  5. linux自定义脚本添加到rc.local脚本无法正常运行的问题
  6. jxl.dll操作总结
  7. 注册表修改PSD关联photoshop
  8. UIView用户事件响应
  9. DataTable 用linq分组查询
  10. myeclipse里如何添加mysql数据库
  11. 摘记:Web应用系统测试内容
  12. JS高级用法
  13. sys模块进度条玩法笔记
  14. Cannot create a session after the response has been committed
  15. 安装jdk配置环境变量JAVA_HOME不起作用
  16. SQL 必知必会&#183;笔记&lt;10&gt;联结表
  17. 各种软件的安装教程centos mysql tomcat nginx jenkins jira 等等
  18. 适用于Win8的Office2003_SP3精简版集成各类补丁+兼容包
  19. 【leetcode 简单】 第七十四题 缺失数字
  20. mysql应用实例

热门文章

  1. 2019-08-10 纪中NOIP模拟B组
  2. AcWing 1013. 机器分配
  3. 动态规划 ---- 最长公共子序列(Longest Common Subsequence, LCS)
  4. ORA_12514:TNS:listener does not currently know of service requested in connect descriptor
  5. 压缩包安装mysql8.0
  6. vue实现隔行换色,下拉菜单控制隔行换色的颜色
  7. 微信小程序图片设置圆角进入页面闪动
  8. sofa
  9. JavaWeb项目中的Servlet
  10. 512,a标签的target属性